DC12V 4-Channel Learning Code Wireless Controller with 4-Button Wireless Remote Control Features: Made of ABS material,durable in use. Professional manufacturing, quality assurance, high reliability. It is a wireless controller that learns the code, and the output/work mode can be changed as desired, and it is easy to match the transmitter. Small size, light weight, stable and reliable performance, high receiving sensitivity. It can be applied to remote power switch, anti-theft alarm, remote control electric door lock, remote control electric shutter door and window, water pump remote control, industrial control products, etc. Specifications: Condition: Material: ABS Wireless Module: Working voltage: DC12V Quiescent current: ≤8mA Working current: ≤110mA Working temperature: -40°C - +80°C Receive sensitivity: 3-105dBm Operating frequency: 433MHz Wireless Remote: Working voltage: 12V Working current: ≤35mA Battery parameters 23A (12V, 60MAH, 0, 03W) Working frequency: 433MHz Transmitting power: 0.5W Launch distance: 1000m (open space) Frequency deviation: ±75KB Transmission rate: 3-6K Coding chip: HS2260, EV1527 Oscillation resistance: 4.7M, 330K/430K (can be customized) Number of buttons: 4 Package List: 1 * Medium Power Remote Control (Built-in Battery) 1 * 4-Channel Module